Abstract: SSG: a model-based development environment for smart, security-aware GUIs Miguel A. García de Dios and Carolina Dania and Michael Schläpfer and David Basin and Manuel Clavel and Marina Egea We present a development environment for automatically building smart, security-aware GUIs following a model-based approach. Our environment consists of a number of plugins that have been developed using the Eclipse framework and includes three model editors, a model-transfor- mation tool, and a code generator.